In metaphysics, Plato's beard is a paradoxical argument dubbed by Willard Van Orman Quine in his 1948 paper "On What There Is". The phrase came to be...

and logic theoryPages displaying wikidata descriptions as a fallback Plato's beard – Example of a paradoxical argument Revision theory Self-refuting idea –...

serial 4 of Sapphire & Steel Extensional and intensional definitions Plato's beard The Man Who Sold the World (song), a song by David Bowie Colombo, John...

object". He also, in his famous essay On What There is, coined the term "Plato's beard" to refer to the problem of empty names: Suppose now that two philosophers...

in Plato's Symposium, Transactions and Proceedings of the American Philological Association, Vol. 76 (1945), pp. 85–103. Strauss, Leo. On Plato's Symposium...

Meinong's jungle Meta-ontology Nonexistent objects Ontological commitment Plato's beard Round square copula W. V. O. Quine, "On What There Is", The Review of...

paradox Barbershop Catch-22 Chicken or the egg Drinker Entailment Lottery Plato's beard Raven Ross's Unexpected hanging "What the Tortoise Said to Achilles"...

Bitwise NOT Contraposition Cyclic negation Negation as failure NOT gate Plato's beard Square of opposition Weisstein, Eric W. "Negation". mathworld.wolfram...

A beard is the hair that grows on the jaw, chin, upper lip, lower lip, cheeks, and neck of humans and some non-human animals. In humans, usually pubescent...

Noneism, the philosophical belief that there are things that do not exist Plato's beard Jacquette, Dale (1996). "On Defoliating Meinong's Jungle". Axiomathes...